| FORE. SPANS UNI: Simple Protocol for ATM Signalling. FORE Systems, Inc., 1000 FORE Drive, Warrendale, PA 15086-7502, USA., 1995. Release 3.0. (pp 22, 29) |
....implementation as well as a native ATM stack. The latter provides an application programmer s interface (API) which allows sending and receiving user data using either AAL3 4 or AAL5. Signalling for the native ATM stack is provided by means of a proprietary signalling protocol called SPANS [FORE95b] as well as an implementation of the ATM Forum s UNI signalling specification [ATM Forum93, ATM Forum94a] Of greater interest for the work presented here, however, is the fact that the native ATM API can also be used without having to use SPANS UNI signalling. The ATM protocol stack could ....
....virtual channel identifier virtual path identifier (VCI VPI) mappings, admission control, resource allocation, routing etc. A control architecture is not limited to the implementation of a single signalling protocol. For example, an implementation capable of both UNI 3. 0 [ATM Forum93] and SPANS [FORE95b] signalling could still be a single control architecture. Even though communication between the control software and the Ariel interface is based on client server principles, this does not require the facilities of a general purpose distributed processing environment (DPE) Rather, ....
FORE. SPANS UNI: Simple Protocol for ATM Signalling. FORE Systems, Inc., 1000 FORE Drive, Warrendale, PA 15086-7502, USA., 1995. Release 3.0. (pp 22, 29)
....(VCI VPI) mappings, call acceptance control (CAC) resource allocation etc. A control architecture (or strictly speaking control domain) is not limited to the implementation of a single signalling protocol, for example an implementation capable of both UNI 3. 0 (ATM Forum, 1993) and Spans (FORE Systems, 1995) signalling would still be a single control architecture. Even though communication between the control software and the Ariel interface is based on client server principles, this does not imply or require the facilities of a general purpose distributed processing environment (DPE) Rather ....
....only switch resources that were taken into account for this implementation were Proof of Concept Implementation 11 switch ports and VPI VCI space. i.e. none of the capacity and QoS resources mentioned in Section 3.1 were considered. The part of the service ATM network used consists of three Fore Systems ATM switches (one ASX 100 and two ASX 200s) which interconnect a number of file servers, workstations, one router and several ATM video adapters (Fore Systems AVA 200s) These switches are an essential part of the Computer Laboratory s infrastructure, and as such minimal disruption and downtime ....
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FORE Systems (1995) SPANS UNI: Simple Protocol for ATM Signalling. Release 3.0. FORE Systems Inc., 174 Thorn Hill Rd, Warrendale PA, USA.
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